Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Delaware

Precipitation Rankings, July 1909

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1909
1-Month
2.38"
(60.45mm)
4.31"
(109.47mm)
-1.93"
(-49.02mm)
16th Driest
Driest since:
1974
113th Wettest
Wettest since:
1938
Jun–Jul 1909
2-Month
7.48"
(189.99mm)
7.95"
(201.93mm)
-0.47"
(-11.94mm)
59th Driest
Driest since:
1949
70th Wettest
Wettest since:
2013
May–Jul 1909
3-Month
11.14"
(282.96mm)
11.50"
(292.10mm)
-0.36"
(-9.14mm)
55th Driest
Driest since:
1964
74th Wettest
Wettest since:
1989
Apr–Jul 1909
4-Month
15.32"
(389.13mm)
14.98"
(380.49mm)
0.34"
(8.64mm)
64th Driest
Driest since:
1986
65th Wettest
Wettest since:
1989
Mar–Jul 1909
5-Month
19.12"
(485.65mm)
18.96"
(481.58mm)
0.16"
(4.07mm)
67th Driest
Driest since:
1986
62nd Wettest
Wettest since:
1989
Feb–Jul 1909
6-Month
22.72"
(577.09mm)
22.01"
(559.05mm)
0.71"
(18.04mm)
76th Driest
Driest since:
1986
53rd Wettest
Wettest since:
1989
Jan–Jul 1909
7-Month
25.54"
(648.72mm)
25.50"
(647.70mm)
0.04"
(1.02mm)
73rd Driest
Driest since:
1977
56th Wettest
Wettest since:
1989
Dec 1908–Jul 1909
8-Month
30.16"
(766.06mm)
28.96"
(735.58mm)
1.20"
(30.48mm)
75th Driest
Driest since:
1986
53rd Wettest
Wettest since:
1958
Nov 1908–Jul 1909
9-Month
31.38"
(797.05mm)
32.02"
(813.31mm)
-0.64"
(-16.26mm)
63rd Driest
Driest since:
1977
65th Wettest
Wettest since:
1984
Oct 1908–Jul 1909
10-Month
33.71"
(856.23mm)
35.18"
(893.57mm)
-1.47"
(-37.34mm)
52nd Driest
Driest since:
2002
76th Wettest
Wettest since:
2003
Ties: 1962
Sep 1908–Jul 1909
11-Month
36.16"
(918.46mm)
38.77"
(984.76mm)
-2.61"
(-66.30mm)
48th Driest
Driest since:
2002
80th Wettest
Wettest since:
2003
Ties: 1916
Aug 1908–Jul 1909
12-Month
41.36"
(1,050.54mm)
43.35"
(1,101.09mm)
-1.99"
(-50.55mm)
55th Driest
Driest since:
1985
73rd Wettest
Wettest since:
2003
Feb 1908–Jul 1909
18-Month
62.65"
(1,591.31mm)
65.29"
(1,658.37mm)
-2.64"
(-67.06mm)
42nd Driest
Driest since:
1931
86th Wettest
Wettest since:
1984
Aug 1907–Jul 1909
24-Month
88.91"
(2,258.31mm)
86.54"
(2,198.12mm)
2.37"
(60.19mm)
71st Driest
Driest since:
1931
56th Wettest
Wettest since:
2004
Aug 1906–Jul 1909
36-Month
134.81"
(3,424.17mm)
129.85"
(3,298.19mm)
4.96"
(125.98mm)
78th Driest
Driest since:
1966
48th Wettest
Wettest since:
2005
Aug 1905–Jul 1909
48-Month
181.56"
(4,611.62mm)
173.06"
(4,395.72mm)
8.50"
(215.90mm)
87th Driest
Driest since:
1966
38th Wettest
Wettest since:
1938
Aug 1904–Jul 1909
60-Month
224.13"
(5,692.90mm)
216.21"
(5,491.73mm)
7.92"
(201.17mm)
81st Driest
Driest since:
1966
43rd Wettest
Wettest since:
1938

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